/**
 * 
 */
package design_pattern.facade.security;

/**
 * @author linzq
 * 
 */
public class Alarm {

  public void active() {
    System.out.println("启动报警器。");
  }

  public void deactive() {
    System.out.println("关闭报警器。");
  }

  public void ring() {
    System.out.println("拉响报警器。");
  }

  public void stopRing() {
    System.out.println("停掉报警器。");
  }
}
